China launches world’s longest super-secure quantum communication line

China has launched a quantum communication line 712 kilometers in length that is meant to safely transmit sensitive information. It is expected to be extended to 2,000 kilometers soon.

The line, already three years in the making and yet to be finished, will ultimately connect Shanghai to China’s capital, Beijing, and run through another major city, Jinan, with a total of 32 relay points. The entire project was expected to be finished in November, but the completion date has been moved back until at least the end of the year.

The Chinese network is valuable for both research on how the technology can be used, and practical purposes, such as delivering secure messages between the connected cities.

3dnews.ru

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